1. Change the key of, in music
   "modulate the melody" 
2. Vary the pitch of one's speech
   - tone, inflect 
3. Fix or adjust the time, amount, degree, or rate of
   "modulate the pitch"
   - regulate 
4. Adjust the pitch, tone, or volume of 
5. Vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)

Derived forms: modulating, modulated, modulates

See also: modulation

Type of: adjust, alter, change, correct, mouth, play, set, speak, spiel, talk, utter, vary, verbalise [Brit], verbalize

Encyclopedia: Modulate

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• Limnobium